sully
/ˈsʌlɪ/verb
- (-ies, -ied)with obj. poetic/literary & ironic damage the purity or integrity of; defile〈诗/文, 讽〉弄脏; 玷污：
they were outraged that anyone should sully their good name.
他们感到十分气愤, 竟然有人玷污他们的好名声。
词源
late 16th cent.: perhaps from French souiller 'to soil'.